Barbecue grill



FIG. 1 is a front perspective view of a barbecue grill showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings are for the purpose of illustrating unclaimed portions of the barbecue grill and form no part of the claimed design. 

CLAIM I claim the ornamental design for a barbecue grill, as shown and described. 